You must create a customized widget inserting the URL from the source, for example, from here. Click on Widget in the editor menu and then choose your option, e.g., Other HTML. If you've never done this before, you may need a little guidance, but this clock page is a good illustration.
You must create a customized widget inserting the URL from the source, for example, from here. Click on Widget in the editor menu and then choose your option, e.g., Other HTML. If you've never done this before, you may need a little guidance, but this clock page is a good illustration.